The DC3007500850GN from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 7.5 to 8.5 GHz, Coupling 30 dB, Coupling Variation ±0.8 dB, Frequency Sensitivity ±0.5 dB, Directivity 16 to 18 dB. Tags: Module with Connectors. More details for DC3007500850GN can be seen below.